Business
Cost per Acquisition Calculator
Calculate average marketing or advertising cost for each completed acquisition.
- Free to use
- Runs in your browser
- Level B · Industry formula
- Last reviewed 2026-08-16
Calculator guide
How to use the Cost per Acquisition Calculator
Calculate average marketing or advertising cost for each completed acquisition. Enter the requested values and select Calculate. The result and supporting values are produced locally in your browser.
Formula
Worked example
$24,000 in campaign cost that produces 160 acquisitions equals $150 per acquisition.
What to keep in mind
- Define an acquisition consistently—for example a purchase, subscription, or qualified conversion—before comparing CPA.
- CPA does not by itself show acquisition quality, margin, or customer lifetime value.
Methodology
This calculator uses deterministic arithmetic and performs the calculation locally in your browser. Verify assumptions, units, and source values for your specific use case.
Review standard: Level B · Industry formula. How calculator reviews work.
Frequently asked questions
What does this calculator calculate?
Calculate average marketing or advertising cost for each completed acquisition.
How is the result calculated?
Cost per Acquisition = Campaign Cost ÷ Acquisitions.
Can I use the result for an important decision?
Use the result as a calculation aid and verify the inputs, assumptions, and applicable professional or regulatory requirements before relying on it for an important decision.
Does CalculateMeasure store the values I enter?
The calculator performs its arithmetic in your browser. The calculator itself does not need to send your entered values to a server to produce the result.